Bio cellular Respiration

Which of these enters the citric acid cycle (also called the Krebs cycle)?

acetyl CoA

Which of these is NOT a product of the citric acid cycle (also called the Krebs cycle)?

acetyl CoA

Water

H2o

During electron transport, energy from _____ is used to pump hydrogen ions into the _____.

NADH and FADH2 ... intermembrane space

The proximate (immediate) source of energy for oxidative phosphorylation is _____.

kinetic energy that is released as hydrogen ions diffuse down their concentration gradient

When electrons move through a series of electron acceptor molecules in cellular respiration ________.

oxygen is eventually reduced by the electrons in the formation of water

A product of glycolysis is ______.

pyruvic acid

In the citric acid cycle (also called the Krebs cycle), ATP molecules are produced by _____.

substrate-level phosphorylation

Gas we inhale

02 oxygen

For each glucose that enters glycolysis, _____ NADH enter the electron transport chain.

10 /For each glucose molecule that enters glycolosis, a total of 10 NADH are produced -- 2 are produced in glycolysis, 2 are produced in acetyl CoA production, and 6 are produced in the citric acid cycle.

Energy packets that cells use to do work

ATP

Which energy-rich molecule produced by cellular respiration directly powers cell work?

ATP

gas we exhale

CO2 carbon dioxide

Which of the following molecules is broken down in cellular respiration, providing fuel for the cell?

Glucose

Respiration describes the exchange of gases between your blood and the air. Cellular respiration ________.

Produces ATP

Where in the cell does glycolysis occur?

cytoplasm

ATP synthase plays a role in ______.

generating ATP

Fuel

glucose

The only stage of cell respiration that is not dependent on the other stages of cell respiration is ________.

glycolysis

Which metabolic pathway is common to both aerobic and anaerobic processes of sugar breakdown?

glycolysis

In muscle cells, fermentation produces _____.

lactate and NAD+

Electron transport takes place in the ______.

mitochondria

In cellular respiration, most ATP molecules are produced by _____.

oxidative phosphorylation

The final electron acceptor of cellular respiration is _____.

oxygen

Glycolysis results in ________.

the conversion of glucose to pyruvic acid